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Cohort details

Identification
Cohort name: Duisburg
Country: Germany
Principal investigator: Michael Wilhelm (wilhelm@hygiene.rub.de)
Contact for environmental exposures: -----
Cohort website: N/A
Basic information
Source population: Region-based
Describe selection:
Geographical coverage: Germany, North-Rhine Westphalia, Rhine-Ruhr-District, Duisburg
Calendar period: 2000–2003
Enrolment Status: Completed
Developmental period of enrolment:
  • Pre-pregnancy
  • Pregnancy Pregnancy weeks: 3rd trimester
  • Birth
  • Postnatal
Expected number of participants at enrolment when enrolment completed:
  • Mothers: 232
  • Fathers: -----
  • Children: 234
Expected duration of follow-up: 2011
Enrolment criteria: - Inclusion: german or Turkish nationality or language
- Inclusion: existing written agreement of mothers and fathers
- Inclusion: no serious complications or diseases during pregnancy
- Inclusion: born between 38th and 42th week of pregnancy
- Inclusion: no serious complications during birth
- Inclusion: APGAR-test: minimum value of 8
Type of data collection
  Pregnancy Birth Post Natal
  First
trimester
Second
trimester
Third
trimester
  0-6
months
7-18
months
18-60
months
5-10
years
10+
years
Child
Questionnaire Exposures - - - - - - - 136 -
Questionnaire Outcomes - - - 234 234 234 210 136 -
Cord Blood       234          
Blood - - - - - - 210 136 -
Urine - - - - - - 210 136 -
Hair - - - - - - - - -
Nails - - - - - - - - -
Saliva - - - - - - - - -
Breast Milk       - - - -    
Mother
Questionnaire Exposures - - 232 - 234 - - 136 -
Questionnaire Outcomes - - - - - - - - -
Cord Blood       -          
Blood - - 232 - - - - 136 -
Urine - - - - - - 210 136 -
Hair - - - - - - - - -
Nails - - - - - - - - -
Saliva - - - - - - - - -
Breast Milk       - 234 - -    
Other information
Have genetic analysis been performed: ---
Addresses available:
  • Home: Residential history
  • Mother work: No
  • Child school: No
Were these addresses geocoded:
Time activity patterns:
  • Child
    • Questionnaire: Yes When: 6y, time spent for indoor and outdoor activity
    • Diary: No
  • Mother
    • Questionnaire: No
    • Diary: No
Sociodemographic variables:
  • Mother's social class: No
  • Father's social class: No
  • Mother's education: Yes
  • Father's education: Yes
  • Mother's ethnic origin: Yes
  • Father's ethnic origin: Yes
  • Maternal age: Yes
  • Paternal age: No
  • Social class coding system:
  • Household income: No
  • Parity: No
  • Birth order: Yes
  • Child sex: Yes
Breastfeeding:
  • Weeks of breastfeeding: Yes
  • Weeks of exclusive breastfeeding: Yes
Diet and physical exercise:
  • Dietary assessments: No
    • FFQ: Yes
    • 24h recall: No
    • Other dietary assessment: Yes consumption of drinking water from tap water of each house hold
    • Child: Yes Timing: 8y
    • Mother: Yes Timing: 2w, 8y
  • Assessment of physical exercise: No
    • Questionnaire: No
    • Measurement: No
    • Child: No
    • Mother: No
Medical history:
  • Family history: No
  • Pre-Pregnancy medical history: Yes
  • Pregnancy complications:
    • Blood preasure measurements: No
    • Maternal hypertension: No
    • Preeclampsia: No
  • Maternal allergic history: No
  • Maternal pregnancy weight, height: Yes
  • Paternal allergic history: No
  • Paternal weight, height: No
  • Maternal pre-pregnancy weight, height: Yes
Exposures and Outcomes
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